DiGesare Mechanical performed the HVAC and Plumbing work for Kirchoff-Consigli where all trades were responsible to take care to preserve the building’s historic appearance while bringing the archives and museum up to the National Archive’s standards. The building houses 35,000 museum objects and 20 million pages of documents. Condor Fire performed the fire sprinkler work and DMI’s scope of work included new boilers, air handling units and two new cooling towers with new chillers including over 6,000 linear feet of underground pre-insulated pipe connecting them throughout the site.